Find out how they lived, when they vanished, and how much we know about them today. Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as ...

Mary Anning was a pioneering palaeontologist and fossil collector. Her lifetime was a constellation ... Lyme Regis is especially rich in ammonites (which were then called 'Ammon's horn') as well as ...